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Product Detailed Parameters
- Description：54FCT139 - 8-BIT DRIVER
- Series：*
- Mfr：IDT, Integrated Device Technology Inc
- Package：Bulk
- Type：-
- Circuit：-
- Independent Circuits：-
- Current - Output High, Low：-
- Voltage Supply Source：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The IDT54FCT139ATEB is a dual 1-of-4 decoder built using advanced dual metal CMOS technology. It contains two independent decoders, each accepting two binary weighted inputs (A0-A1) and providing four mutually exclusive active LOW outputs (O0-O3). Each decoder includes an active LOW enable input; when the enable is HIGH, all outputs are forced HIGH. The device features low input and output leakage of 1 µA maximum, true TTL input and output compatibility with typical VOH of 3.3V and VOL of 0.3V, and high drive outputs rated at -15mA IOH and 48mA IOL.
Feature Summary
- Dual independent 1-of-4 decoding architecture
- Active LOW enable control for output management
- High drive capability for bus-oriented applications
Applications
- Memory address decoding
- Clock signal distribution
- Bus-oriented transmitter/receiver circuits
Procurement Notes
Verify the specific suffix 'ATEB' against official manufacturer documentation to confirm package type and temperature grade. Ensure the MIL-STD-883 Class B compliance status matches your system requirements. Cross-reference the 5962-9220204 military part number with current availability lists as these components may be subject to obsolescence or long lead times.
Selection Notes
Select this component for designs requiring dual independent decoding channels with high drive strength. Verify that the 3.3V logic level compatibility aligns with the target system voltage. Consider the LCC package option if board density is a priority over traditional DIP mounting.
Part Context
This part belongs to the IDT 54FCT series of FAST CMOS logic devices. It is functionally similar to other FCT decoders but offers specific drive characteristics and packaging options suitable for military and high-reliability applications. The 5962 prefix indicates it is a military-grade version compliant with MIL-STD-883 standards.
Replacement Considerations
Check for direct equivalents such as the IDT54FCT139ATL or IDT54FCT139CTD. Verify pinout compatibility and electrical specifications before substitution.
